/* =====================================================================
   MT-Projects — design system (light)
   White background, gold brand accent, restrained & editorial. Arabic RTL.
   ===================================================================== */

:root {
    /* Brand gold — bright for fills, deep for text/lines on white */
    --gold: #e0a419;
    --gold-deep: #b9790c;
    --gold-tint: #fbf3e0;
    --gold-line: #f0dcae;

    /* Ink */
    --ink: #1b2431;      /* headings */
    --body: #414c5c;     /* paragraphs */
    --muted: #6b7686;    /* secondary */

    /* Surfaces */
    --bg: #ffffff;
    --bg-alt: #f6f7f9;
    --card: #ffffff;
    --border: #e7eaef;
    --border-strong: #d6dbe3;

    /* Channels */
    --whatsapp: #1fac54;

    /* Category accents */
    --cat-arduino: #0f9d94;
    --cat-iot: #e2660f;
    --cat-robotics: #d38b0a;
    --cat-ai: #7c5cd6;
    --cat-beginner: #1f9d55;
    --cat-intermediate: #d38b0a;
    --cat-advanced: #d64545;

    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06);
    --shadow: 0 8px 28px -12px rgba(16, 24, 40, 0.18);
    --shadow-lg: 0 20px 48px -20px rgba(16, 24, 40, 0.28);
    --maxw: 1160px;
    --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; font-family: 'Tajawal', sans-serif; }
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--body); line-height: 1.75; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
h1, h2, h3, h4 { color: var(--ink); line-height: 1.3; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }
section { scroll-margin-top: 90px; }
.block { padding: 4.5rem 0; }
.block.tight { padding: 3rem 0; }
.bg-alt { background: var(--bg-alt); }

.gold-text { color: var(--gold-deep); }
.kicker { display: block; color: var(--gold-deep); font-weight: 700; font-size: 0.86rem; letter-spacing: 1px; margin-bottom: 0.6rem; }
.kicker::before { content: "—"; margin-inline-end: 8px; color: var(--gold); }

.section-head { max-width: 640px; margin-bottom: 2.5rem; }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: 1.95rem; font-weight: 800; }
.section-head p { color: var(--muted); margin-top: 0.7rem; font-size: 1.03rem; }

/* =========================== Header =========================== */
.site-header { position: sticky; top: 0; z-index: 1000; background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); }
.nav { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 11px; }
.brand img { width: 42px; height: 42px; object-fit: contain; }
.brand-text { font-size: 1.32rem; font-weight: 800; color: var(--ink); }
.brand-text span { color: var(--gold-deep); }

.nav-links { display: flex; align-items: center; gap: 0.15rem; }
.nav-links a { padding: 0.5rem 0.85rem; border-radius: 7px; color: var(--body); font-weight: 600; font-size: 0.96rem; transition: color 0.15s, background 0.15s; }
.nav-links a:hover { color: var(--ink); background: var(--bg-alt); }
.nav-links a.active { color: var(--gold-deep); }

.nav-actions { display: flex; align-items: center; gap: 8px; }
.social-btn { width: 37px; height: 37px; border-radius: 9px; display: grid; place-items: center; color: var(--body); font-size: 0.98rem; background: var(--bg-alt); border: 1px solid var(--border); transition: color 0.15s, border-color 0.15s; }
.social-btn:hover { color: var(--gold-deep); border-color: var(--gold-line); }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 9px; background: var(--bg-alt); border: 1px solid var(--border); color: var(--ink); font-size: 1.15rem; cursor: pointer; }

/* =========================== Buttons =========================== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 0.7rem 1.35rem; border-radius: 9px; font-weight: 700; font-size: 0.96rem; cursor: pointer; border: 1px solid transparent; transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s; white-space: nowrap; }
.btn-gold { background: var(--gold); color: #241a06; }
.btn-gold:hover { background: var(--gold-deep); color: #fff; }
.btn-dark { background: var(--ink); color: #fff; }
.btn-dark:hover { background: #0f1620; }
.btn-outline { background: #fff; color: var(--ink); border-color: var(--border-strong); }
.btn-outline:hover { border-color: var(--gold); color: var(--gold-deep); }
.btn-whatsapp { background: var(--whatsapp); color: #fff; }
.btn-whatsapp:hover { background: #178f45; }
.btn-sm { padding: 0.5rem 0.95rem; font-size: 0.88rem; }
.btn-icon { width: 39px; height: 39px; padding: 0; border-radius: 9px; background: #fff; border: 1px solid var(--border-strong); color: var(--body); }
.btn-icon:hover { border-color: var(--gold); color: var(--gold-deep); }

/* =========================== Hero =========================== */
.hero { padding: 4rem 0 3.5rem; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 3.5rem; align-items: center; }
.hero h1 { font-size: 2.6rem; font-weight: 800; letter-spacing: -0.5px; }
.hero p.lead { color: var(--body); font-size: 1.12rem; margin: 1.2rem 0 1.9rem; max-width: 540px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-tags { margin-top: 1.8rem; padding-top: 1.4rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.92rem; font-weight: 600; }
.hero-tags b { color: var(--gold-deep); }

.hero-panel { background: var(--gold-tint); border: 1px solid var(--gold-line); border-radius: 20px; padding: 2.8rem; display: grid; place-items: center; }
.hero-panel img { width: min(240px, 70%); }

/* =========================== Stats =========================== */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.stat { text-align: center; }
.stat .num { font-size: 2.1rem; font-weight: 800; color: var(--ink); }
.stat .lbl { color: var(--muted); font-size: 0.92rem; margin-top: 2px; }
.stat + .stat { border-inline-start: 1px solid var(--border); }

/* =========================== Service pillars =========================== */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.25rem; }
.pillar { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.6rem; box-shadow: var(--shadow-sm); transition: border-color 0.15s, box-shadow 0.15s, transform 0.15s; }
.pillar:hover { border-color: var(--gold-line); box-shadow: var(--shadow); transform: translateY(-3px); }
.pillar .ico { width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; font-size: 1.2rem; color: var(--gold-deep); background: var(--gold-tint); border: 1px solid var(--gold-line); margin-bottom: 1rem; }
.pillar h3 { font-size: 1.1rem; margin-bottom: 0.4rem; }
.pillar p { color: var(--muted); font-size: 0.93rem; }
.pillar a.more { display: inline-block; margin-top: 0.9rem; color: var(--gold-deep); font-weight: 700; font-size: 0.9rem; }

/* =========================== Split feature (ELV / software) =========================== */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.split.reverse .split-media { order: 2; }
.split-body h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 0.4rem; }
.split-body > p { color: var(--body); margin-bottom: 1.4rem; }
.svc-list { display: grid; grid-template-columns: 1fr 1fr; gap: 0.7rem 1.2rem; margin-bottom: 1.7rem; }
.svc-list li { display: flex; gap: 9px; align-items: flex-start; color: var(--body); font-size: 0.96rem; }
.svc-list li i { color: var(--gold-deep); margin-top: 6px; font-size: 0.8rem; }
.split-media { background: var(--bg-alt); border: 1px solid var(--border); border-radius: 16px; padding: 2rem; }
.stack-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.9rem; }
.stack-item { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 1rem; display: flex; align-items: center; gap: 11px; font-weight: 600; color: var(--ink); font-size: 0.94rem; }
.stack-item i { color: var(--gold-deep); font-size: 1.1rem; width: 22px; text-align: center; }
.tech-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 1.3rem; }
.tech-chip { background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 0.35rem 0.85rem; font-size: 0.85rem; font-weight: 600; color: var(--body); }

/* =========================== Work samples gallery =========================== */
.gallery-head { margin: 2.75rem 0 1.3rem; }
.gallery-head h3 { font-size: 1.3rem; font-weight: 800; }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.2rem; }
.sample { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s; }
.sample:hover { transform: translateY(-4px); border-color: var(--gold-line); box-shadow: var(--shadow); }
.sample-media { position: relative; height: 180px; overflow: hidden; }
.sample-media img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.sample:hover .sample-media img { transform: scale(1.05); }
.sample-media .cat { position: absolute; top: 10px; right: 10px; background: rgba(255,255,255,0.94); color: var(--gold-deep); font-size: 0.72rem; font-weight: 700; padding: 3px 10px; border-radius: 999px; box-shadow: var(--shadow-sm); }
.sample .cap { padding: 0.9rem 1rem; }
.sample .cap h4 { font-size: 1rem; font-weight: 700; }

.founded { display: inline-flex; align-items: center; gap: 9px; margin-top: 1.2rem; font-weight: 700; color: var(--ink); background: var(--gold-tint); border: 1px solid var(--gold-line); padding: 0.55rem 1rem; border-radius: 999px; font-size: 0.94rem; }
.founded i { color: var(--gold-deep); }

/* =========================== Mission / Vision =========================== */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.mv { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.9rem; box-shadow: var(--shadow-sm); }
.mv .ico { width: 48px; height: 48px; border-radius: 12px; display: grid; place-items: center; font-size: 1.2rem; color: var(--gold-deep); background: var(--gold-tint); border: 1px solid var(--gold-line); margin-bottom: 1rem; }
.mv h3 { font-size: 1.2rem; margin-bottom: 0.4rem; }
.mv p { color: var(--muted); font-size: 0.96rem; }

/* =========================== Team =========================== */
.team { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.4rem; }
.member { text-align: center; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.9rem 1.2rem; box-shadow: var(--shadow-sm); transition: transform 0.18s, border-color 0.18s; }
.member:hover { transform: translateY(-4px); border-color: var(--gold-line); }
.member .avatar { width: 88px; height: 88px; border-radius: 50%; margin: 0 auto 1rem; display: grid; place-items: center; font-size: 1.7rem; font-weight: 800; background: var(--gold-tint); color: var(--gold-deep); border: 2px solid var(--gold-line); overflow: hidden; }
.member .avatar img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 12%; }
.member.lead { border-color: var(--gold-line); box-shadow: var(--shadow); }
.member.lead .avatar { width: 104px; height: 104px; background: var(--gold-grad, var(--gold)); color: #241a06; border-color: var(--gold); }
.member h4 { font-size: 1.14rem; }
.member .role { color: var(--gold-deep); font-weight: 700; font-size: 0.9rem; margin-top: 3px; }
.member p { color: var(--muted); font-size: 0.9rem; margin-top: 0.6rem; }
@media (max-width: 720px) { .mv-grid { grid-template-columns: 1fr; } }

/* =========================== Process =========================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; counter-reset: step; }
.step { position: relative; padding-top: 0.5rem; }
.step .n { width: 40px; height: 40px; border-radius: 10px; background: var(--ink); color: #fff; display: grid; place-items: center; font-weight: 800; margin-bottom: 0.9rem; }
.step h3 { font-size: 1.05rem; margin-bottom: 0.3rem; }
.step p { color: var(--muted); font-size: 0.92rem; }

/* =========================== Search & filter =========================== */
.toolbar { display: flex; flex-direction: column; gap: 1rem; align-items: center; margin-bottom: 2.5rem; }
.search-box { position: relative; width: 100%; max-width: 600px; }
.search-box input { width: 100%; padding: 0.85rem 3rem 0.85rem 1.1rem; background: #fff; border: 1px solid var(--border-strong); border-radius: 999px; color: var(--ink); font-size: 1rem; outline: none; transition: border-color 0.15s, box-shadow 0.15s; }
.search-box input:focus { border-color: var(--gold); box-shadow: 0 0 0 4px var(--gold-tint); }
.search-box i { position: absolute; right: 1.1rem; top: 50%; transform: translateY(-50%); color: var(--muted); }
.controls { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; width: 100%; }
.filters { display: flex; gap: 8px; flex-wrap: wrap; }
.chip { background: #fff; color: var(--body); border: 1px solid var(--border-strong); padding: 0.45rem 1rem; border-radius: 999px; cursor: pointer; font-weight: 600; font-size: 0.9rem; transition: 0.15s; }
.chip:hover { border-color: var(--gold); color: var(--gold-deep); }
.chip.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.select { background: #fff; color: var(--ink); border: 1px solid var(--border-strong); padding: 0.5rem 0.9rem; border-radius: 8px; outline: none; cursor: pointer; font-size: 0.9rem; }

/* =========================== Cards =========================== */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(318px, 1fr)); gap: 1.6rem; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-sm); transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s; }
.card:hover { transform: translateY(-4px); border-color: var(--gold-line); box-shadow: var(--shadow); }
.card-media { position: relative; height: 186px; overflow: hidden; }
.card-media img { width: 100%; height: 100%; object-fit: cover; }
.ribbon { position: absolute; top: 11px; right: 11px; z-index: 2; background: rgba(255, 255, 255, 0.94); color: var(--gold-deep); padding: 4px 11px; border-radius: 999px; font-size: 0.73rem; font-weight: 700; display: flex; align-items: center; gap: 6px; box-shadow: var(--shadow-sm); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--whatsapp); }

.card-body { padding: 1.3rem; display: flex; flex-direction: column; flex-grow: 1; }
.tag { align-self: flex-start; font-size: 0.71rem; color: #fff; font-weight: 700; padding: 3px 10px; border-radius: 5px; margin-bottom: 0.65rem; }
.tag-arduino { background: var(--cat-arduino); }
.tag-iot { background: var(--cat-iot); }
.tag-robotics { background: var(--cat-robotics); }
.tag-ai { background: var(--cat-ai); }
.tag-beginner { background: var(--cat-beginner); }
.tag-intermediate { background: var(--cat-intermediate); }
.tag-advanced { background: var(--cat-advanced); }

.card-title { font-size: 1.13rem; font-weight: 700; margin-bottom: 0.45rem; }
.card-desc { color: var(--muted); font-size: 0.92rem; margin-bottom: 1rem; display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
.meta-row { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 1rem; font-size: 0.83rem; color: var(--muted); }
.meta-row span { display: flex; align-items: center; gap: 6px; }
.meta-row i { color: var(--gold-deep); }
.includes { background: var(--bg-alt); border: 1px solid var(--border); padding: 0.7rem 0.9rem; border-radius: var(--radius-sm); margin-bottom: 1.15rem; font-size: 0.84rem; }
.includes .t { font-weight: 700; margin-bottom: 6px; color: var(--ink); }
.includes ul { display: flex; gap: 0.9rem; flex-wrap: wrap; }
.includes li { color: var(--muted); display: flex; align-items: center; gap: 5px; }
.includes li i { color: var(--gold-deep); }
.card-foot { margin-top: auto; padding-top: 1rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; gap: 0.6rem; }
.price { font-size: 1.35rem; font-weight: 800; color: var(--ink); }
.price small { font-size: 0.76rem; color: var(--muted); font-weight: 600; }
.price .old { font-size: 0.84rem; color: var(--muted); text-decoration: line-through; margin-inline-start: 6px; font-weight: 600; }
.card-actions { display: flex; gap: 6px; }
.empty-state { grid-column: 1 / -1; text-align: center; padding: 3rem 1rem; color: var(--muted); }
.empty-state i { font-size: 2.2rem; color: var(--gold); margin-bottom: 0.7rem; }
.load-more { text-align: center; margin-top: 2.5rem; }

/* =========================== Why-us grid =========================== */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 1.5rem; }
.feature { padding: 0.4rem 0; }
.feature .ico { width: 46px; height: 46px; border-radius: 11px; display: grid; place-items: center; font-size: 1.2rem; color: var(--gold-deep); background: var(--gold-tint); border: 1px solid var(--gold-line); margin-bottom: 0.9rem; }
.feature h3 { font-size: 1.08rem; margin-bottom: 0.35rem; }
.feature p { color: var(--muted); font-size: 0.93rem; }

/* =========================== CTA band =========================== */
.cta-band { background: var(--ink); border-radius: 18px; padding: 3rem 2rem; text-align: center; }
.cta-band h2 { color: #fff; font-size: 1.9rem; font-weight: 800; margin-bottom: 0.6rem; }
.cta-band p { color: #c3cbd6; max-width: 560px; margin: 0 auto 1.6rem; }

/* =========================== FAQ =========================== */
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-sm); margin-bottom: 0.8rem; overflow: hidden; }
.faq-q { padding: 1.05rem 1.3rem; font-weight: 700; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-q i { color: var(--gold-deep); transition: transform 0.2s; flex-shrink: 0; }
.faq-a { padding: 0 1.3rem; max-height: 0; overflow: hidden; color: var(--muted); font-size: 0.95rem; transition: max-height 0.28s ease, padding 0.28s ease; }
.faq-item.open .faq-a { max-height: 320px; padding: 0 1.3rem 1.1rem; }
.faq-item.open .faq-q i { transform: rotate(180deg); }

/* =========================== Modal =========================== */
.modal { position: fixed; inset: 0; background: rgba(20, 27, 38, 0.55); z-index: 2000; display: none; place-items: center; padding: 1rem; }
.modal.open { display: grid; }
.modal-card { background: #fff; border-radius: var(--radius); max-width: 600px; width: 100%; max-height: 90vh; overflow-y: auto; padding: 1.9rem; position: relative; box-shadow: var(--shadow-lg); }
.modal-close { position: absolute; top: 1rem; left: 1rem; width: 36px; height: 36px; border-radius: 9px; background: var(--bg-alt); border: 1px solid var(--border); color: var(--ink); font-size: 1.2rem; cursor: pointer; }
.modal-close:hover { color: var(--gold-deep); border-color: var(--gold); }

/* =========================== Toast =========================== */
.toast { position: fixed; bottom: 22px; left: 22px; background: var(--ink); color: #fff; padding: 0.8rem 1.25rem; border-radius: 10px; box-shadow: var(--shadow-lg); z-index: 3000; font-size: 0.92rem; opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity 0.22s, transform 0.22s; }
.toast.show { opacity: 1; transform: translateY(0); }

/* =========================== Footer =========================== */
.site-footer { border-top: 1px solid var(--border); background: var(--bg-alt); margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; padding: 3.5rem 0 2rem; }
.footer-brand p { color: var(--muted); font-size: 0.94rem; margin: 0.9rem 0 1.2rem; max-width: 330px; }
.footer-col h4 { font-size: 1rem; margin-bottom: 0.9rem; color: var(--ink); }
.footer-col a { display: block; color: var(--muted); padding: 0.3rem 0; font-size: 0.93rem; transition: color 0.15s; }
.footer-col a:hover { color: var(--gold-deep); }
.footer-col .line { display: flex; align-items: center; gap: 9px; color: var(--muted); padding: 0.3rem 0; font-size: 0.93rem; }
.footer-col .line i { color: var(--gold-deep); width: 18px; }
.footer-socials { display: flex; gap: 9px; }
.footer-bottom { border-top: 1px solid var(--border); padding: 1.3rem 0; text-align: center; color: var(--muted); font-size: 0.88rem; }
.footer-bottom strong { color: var(--gold-deep); }

/* =========================== Responsive =========================== */
@media (max-width: 900px) {
    .hero-grid { grid-template-columns: 1fr; gap: 2.2rem; }
    .hero-panel { order: -1; }
    .split, .split.reverse .split-media { grid-template-columns: 1fr; }
    .split.reverse .split-media { order: 0; }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
}
@media (max-width: 720px) {
    .hero h1 { font-size: 2.1rem; }
    .nav-links { position: fixed; inset: var(--header-h) 0 auto 0; flex-direction: column; align-items: stretch; gap: 0; background: #fff; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); padding: 0.5rem 1.5rem 1.1rem; transform: translateY(-140%); transition: transform 0.26s ease; z-index: 999; }
    .nav-links.open { transform: translateY(0); }
    .nav-links a { padding: 0.85rem 0.4rem; border-bottom: 1px solid var(--border); }
    .nav-toggle { display: grid; place-items: center; }
    .nav-actions .social-btn { display: none; }
    .stats { grid-template-columns: repeat(2, 1fr); gap: 1.5rem 0; }
    .stat + .stat { border-inline-start: none; }
    .svc-list { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .controls { flex-direction: column; align-items: stretch; }
    .filters { justify-content: center; }
}